[n] -> { s0[i] -> [i,0] : 1 <= i <= 100 and n > 1;
	 s1[i,j] -> [i,j] : 1 <= i,j <= 100 and n > 1;
	 s2[i,j] -> [i,j] : 1 <= i,j <= 100 }
[n] -> {  :  }
[n] -> { [i,j] -> separate[x] : x >= 0 }
